Wire to board connector 3M 3448-45104 with tested electrical mechanical and environmental durability
Product Overview
The 3M Ribbon Cable Socket and Header, 451 and 452 Series, offers a reliable 1.27mm (.050") pitch interconnect solution. This series includes the 3M Ribbon Cable Wiremount Socket Assembly, 451 Series, and the 3M Shrouded Boardmount Header Latch and Eject, 452 Series. Designed for wire-to-board applications, these connectors are built with durable materials and robust plating options to ensure consistent performance across a wide temperature range. They are suitable for various cable types and are tested to meet stringent electrical, mechanical, and environmental standards.
Product Attributes
- Brand: 3M
- Series: 451 Series (Socket), 452 Series (Header)
- Pitch: 1.27mm (0.050")
- Certifications: Underwriters Laboratories (UL) File No. E68080, CUL
Technical Specifications
| Specification | Value | Units | Conditions / Notes |
|---|---|---|---|
| Temperature Range (EIA) | -65 to +125 | C | |
| Insulation Resistance | >1 x 109 | at 500 VDC | |
| Current Rating (4-30 poles, all powered) | 0.75 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| Current Rating (4-30 poles, 6 powered) | 1.50 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| Current Rating (32-50 poles, all powered) | 0.75 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| Current Rating (32-50 poles, 6 powered) | 1.50 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| UL Ratings (Voltage) | 125 | Vac/Vdc | (4-50 current carrying poles) |
| UL Ratings (Current) | 1.0 | A | (4-50 current carrying poles) |
| UL Ratings (Temperature) | 130 | C | (4-50 current carrying poles) |
| CUL Ratings (Voltage) | 125 | Vac/Vdc | (4 - 30 current carrying poles) |
| CUL Ratings (Current) | 1.0 | A | (4 - 30 current carrying poles) |
| CUL Ratings (Temperature) | 130 | C | (4 - 30 current carrying poles) |
| CUL Ratings (Voltage) | 125 | Vac/Vdc | (32- 50 current carrying poles) |
| CUL Ratings (Current) | 0.75 | A | (32- 50 current carrying poles) |
| CUL Ratings (Temperature) | 130 | C | (32- 50 current carrying poles) |
| Socket Insulation Material | Glass filled PBT, 94V-0 | ||
| Cover Insulation Material | Glass filled PBT, 94V-0 | ||
| Strain Relief Material | Stainless Steel | ||
| Socket Contact Material | BeCu | ||
| Header Insulation Material | Glass filled LCP, 94V-0 | ||
| Header Pin Material | Phosphor Bronze | ||
| Plating (Socket & Header) - Nickel | 50-150 | inches | ASTM B689-97, SAE AMS-QQ-N-290 |
| Plating (Socket & Header) - Gold | 0.76 min | m (30 inches min) | ASTM B488-01 Class C Flash, ASTM B488-01 Class C Matte |
| Plating (Soldertail) - Tin | 200-400 | " | |
| Cable Accommodation | 30 AWG, 0.025" pitch, stranded or solid conductor, flat cable, PVC, TPE, FEP, PO insulation | ||
| Dielectric Withstanding Voltage | 1250 | VDC | No disruptive discharge during 1 minute duration (EIA-364-20 Method A Test Condition I) |
| Dielectric Breakdown Voltage | 1250 | VDC | Ramp assembled pair at 500V/s (EIA-364-20 Method A Test Condition I) |
| Low Level Connection Resistance (LLCR) | <10 or <30 | mOhm | Max R contact resistance per mated interface |
| Header Pin Retention | 4.5 (MIN) | Newtons | Average/pin (EIA-364-29) |
| Vibration | 3.10 | g | Random, 15min each x, y, z planes (EIA-364-28 Condition VII Letter D) |
| Mechanical Shock | 30 | g | Half-sine, 11ms, 3 pulses each x, y, z (EIA-364-27 Test Condition H) |
| Durability (Full) | 100 (30" Au, 4-30p) / 25 (30" Au, 32-50p) / 20 (Flash Au) | Mating cycles | 10 milliohm max R contact resistance (EIA-364-13) |
| Durability (Preconditioning) | 50 (4-30p) / 25 (32-50p) | Mating cycles | (30"Au only) (EIA-364-13) |
| Mating Force / Contact | 1.25 (MAX) | Newtons | Connector average/pin (EIA-364-13 Method B) |
| Unmating Force / Contact | 0.4 (MIN) | Newtons | Connector average/pin (EIA-364-18) |
| Plating Thickness - Tin | 5.08-10.2 (200-400) | m (") | (EIA-364-48 Method C) |
| Plating Thickness - Nickel | 1.27-3.81 (50-150) | m (") | (EIA-364-48 Method C) |
| Plating Thickness - Gold | 0.76 min (30) | m (") | (EIA-364-48 Method C) |
| Solderability (Header) | 95 percent coverage | As-received hours (EIA-364-52) | |
| Temperature Life (Full) | 1008 | hours | 125 C, 30 milliohm max R (EIA-364-17 Method A Condition 5D) |
| Thermal Shock | -65 to +125 | C | 10 milliohm max R (EIA-364-32, Table 2, Condition II) |
| Moisture Sensitivity Level (Header) | Level 1 (MSL1) | (J-STD-020E) | |
| Mixed Flowing Gas | 336 | hours | Durability preconditioning: 50 cycles, Tested on 30pin, 0.76 m (30 ") contact plating (EIA-364-65B Class IIA) |
| Humidity Temperature Cycling | 10 | Days | 10 milliohm max R (EIA-364-31, Method III, Fig 1) |
2411220419_3M-3448-45104_C17625311.pdf